Yandell, Josh
Current rating: 1538
Record: 5-3
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 267 | Mitchell, Max (1625) | Won 2-0 | +201520 |
| 2modern | 309 | Mack, Stephan (1496) | Won 2-0 | +181538 |
| 3modern | 337 | Oakes, Connor (1619) | Lost 0-2 | -171521 |
| 4modern | 373 | Gibson, Justice (1518) | Lost 0-2 | -181503 |
| 5modern | 442 | Fine, Adam (1457) | Won 2-0 | +171520 |
| 6modern | 401 | Dye, Jordan (1515) | Won 2-0 | +181538 |
| 7modern | 327 | Shoup, Alex (1554) | Won 2-0 | +191557 |
| 8modern | 111 | Wittenberg, Clark (1542) | Lost 0-2 | -191538 |
| average opponent: 1541record: 5-3 | new rating: 1538 | |||